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AP Macroeconomics: Unit 3 Flashcards

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9173672471Utility-maximizing ruleEquating the ratio of the marginal utility of a good to its price for all goods.0
9173672472Marginal utilityAdditional satisfaction or usefulness a consumer gets from having one more unit of a product1
9173672473Economic profitTotal revenue minus total cost, including both explicit and implicit costs2
9173676308Explicit costsThe actual payments a firm makes to its factors of production and other suppliers.3
9173676309Economies of scaleFactors that cause a producer's average cost per unit to fall as output rises4
9173681194Minimum efficient scalethe lowest production point at which long-run total average costs (LRATC) are minimized5
9173681195Law of diminishing returnsincreasing one factor of production will increase output up to a point, then begin to decrease6
9173686755Imitation problemsituation in which firm's rivals may imitate newly invented product or process, so that profit gained by firm that initiated R&D process is greatly reduced7
9173686756Substitution effectThat portion of a change in quantity demanded due to a change in the relative price of the product8
9173689513Implicit coststhe opportunity cost equal to what a firm must give up in order to use a factor of production for which it already owns and thus does not pay rent9
9173689514Diseconomies of scalethe property whereby long-run average total cost rises as the quantity of output increases10
9173693622Natural monopolyindustry in which one company can most efficiently supply all needed goods or services11
9173693623Law of diminishing marginal utilityAs the quantity of a good consumed increases the extra satisfaction gained decreases12
9173698188Fast-second strategyFirms follow similar firms to become the second firm to produce a good; helps save on research and development13
9173698189Economic costThe value of all resources used to produce a good or service; opportunity cost14
9173701754Normal profitThe accounting profit earned when all resources earn their opportunity cost15
9173701755Constant returns to scaleFeatures of a firm's technology that keep average total cost constant as output increases.16
9173707747Expected-rate-of-return curvefor each dollar spent, there is a minimum amount the company expects in return17

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